{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T21:42:47.031554+00:00","duration_seconds":0.716664,"id":862668,"input_summary":"chars=1487 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK6ULC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=KK6ULC","recording_id":44874,"started_at":"2026-06-27T21:42:46.314890+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44875}